029012b8b9
Break some subsystem dependencies, by explicitly using properties to read the primary position, orientation and velocities. (Instead of directly accessing the primary model placement). This means a couple more globals can die.
308 lines
8.6 KiB
C++
308 lines
8.6 KiB
C++
// globals.hxx -- Global state that needs to be shared among the sim modules
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//
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// Written by Curtis Olson, started July 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifndef _GLOBALS_HXX
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#define _GLOBALS_HXX
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#include <simgear/compiler.h>
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#include <simgear/props/props.hxx>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/misc/sg_path.hxx>
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#include <vector>
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#include <string>
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typedef std::vector<std::string> string_list;
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// Forward declarations
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// This file is included, directly or indirectly, almost everywhere in
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// FlightGear, so if any of its dependencies changes, most of the sim
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// has to be recompiled. Using these forward declarations helps us to
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// avoid including a lot of header files (and thus, a lot of
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// dependencies). Since Most of the methods simply set or return
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// pointers, we don't need to know anything about the class details
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// anyway.
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class SGEphemeris;
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class SGCommandMgr;
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class SGMaterialLib;
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class SGPropertyNode;
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class SGTime;
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class SGEventMgr;
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class SGSubsystemMgr;
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class SGSubsystem;
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class SGSoundMgr;
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class FGATISMgr;
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class FGControls;
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class FGTACANList;
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class FGLocale;
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class FGRouteMgr;
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class FGScenery;
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class FGTileMgr;
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class FGViewMgr;
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class FGViewer;
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class FGRenderer;
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class FGFontCache;
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/**
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* Bucket for subsystem pointers representing the sim's state.
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*/
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class FGGlobals
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{
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private:
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// properties, destroy last
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SGPropertyNode_ptr props;
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SGPropertyNode_ptr initial_state;
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// localization
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FGLocale* locale;
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FGRenderer *renderer;
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SGSubsystemMgr *subsystem_mgr;
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SGEventMgr *event_mgr;
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// Number of milliseconds elapsed since the start of the program.
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double sim_time_sec;
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// Root of FlightGear data tree
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std::string fg_root;
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// Users home directory for data
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std::string fg_home;
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// Roots of FlightGear scenery tree
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string_list fg_scenery;
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std::string browser;
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// Time structure
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SGTime *time_params;
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// Sky structures
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SGEphemeris *ephem;
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// Material properties library
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SGMaterialLib *matlib;
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// Global autopilot "route"
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FGRouteMgr *route_mgr;
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// ATC manager
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FGATISMgr *ATIS_mgr;
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// control input state
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FGControls *controls;
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// viewer manager
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FGViewMgr *viewmgr;
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SGCommandMgr *commands;
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// list of serial port-like configurations
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string_list *channel_options_list;
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// A list of initial waypoints that are read from the command line
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// and or flight-plan file during initialization
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string_list *initial_waypoints;
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// FlightGear scenery manager
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FGScenery *scenery;
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// Tile manager
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FGTileMgr *tile_mgr;
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FGFontCache *fontcache;
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// Navigational Aids
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FGTACANList *channellist;
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/// roots of Aircraft trees
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string_list fg_aircraft_dirs;
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bool haveUserSettings;
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SGPropertyNode_ptr positionLon, positionLat, positionAlt;
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SGPropertyNode_ptr orientHeading, orientPitch, orientRoll;
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public:
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FGGlobals();
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virtual ~FGGlobals();
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virtual FGRenderer *get_renderer () const;
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virtual SGSubsystemMgr *get_subsystem_mgr () const;
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virtual SGSubsystem *get_subsystem (const char * name);
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virtual void add_subsystem (const char * name,
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SGSubsystem * subsystem,
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SGSubsystemMgr::GroupType
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type = SGSubsystemMgr::GENERAL,
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double min_time_sec = 0);
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virtual SGEventMgr *get_event_mgr () const;
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virtual SGSoundMgr *get_soundmgr () const;
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inline double get_sim_time_sec () const { return sim_time_sec; }
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inline void inc_sim_time_sec (double dt) { sim_time_sec += dt; }
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inline void set_sim_time_sec (double t) { sim_time_sec = t; }
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inline const std::string &get_fg_root () const { return fg_root; }
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void set_fg_root (const std::string &root);
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inline const std::string &get_fg_home () const { return fg_home; }
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void set_fg_home (const std::string &home);
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inline const string_list &get_fg_scenery () const { return fg_scenery; }
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void append_fg_scenery (const std::string &scenery);
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const string_list& get_aircraft_paths() const { return fg_aircraft_dirs; }
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void append_aircraft_path(const std::string& path);
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void append_aircraft_paths(const std::string& path);
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/**
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* Given a path to an aircraft-related resource file, resolve it
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* against the appropriate root. This means looking at the location
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* defined by /sim/aircraft-dir, and then aircraft_path in turn,
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* finishing with fg_root/Aircraft.
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*
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* if the path could not be resolved, an empty path is returned.
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*/
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SGPath resolve_aircraft_path(const std::string& branch) const;
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/**
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* Same as above, but test for non 'Aircraft/' branch paths, and
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* always resolve them against fg_root.
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*/
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SGPath resolve_maybe_aircraft_path(const std::string& branch) const;
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/**
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* Search in the following directories:
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*
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* 1. Root directory of current aircraft (defined by /sim/aircraft-dir)
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* 2. All aircraft directories if branch starts with Aircraft/
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* 3. fg_data directory
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*/
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SGPath resolve_ressource_path(const std::string& branch) const;
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inline const std::string &get_browser () const { return browser; }
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void set_browser (const std::string &b) { browser = b; }
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long int get_warp() const;
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void set_warp( long int w );
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long int get_warp_delta() const;
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void set_warp_delta( long int d );
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inline SGTime *get_time_params() const { return time_params; }
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inline void set_time_params( SGTime *t ) { time_params = t; }
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inline SGEphemeris *get_ephem() const { return ephem; }
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inline void set_ephem( SGEphemeris *e ) { ephem = e; }
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inline SGMaterialLib *get_matlib() const { return matlib; }
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inline void set_matlib( SGMaterialLib *m ) { matlib = m; }
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inline FGATISMgr *get_ATIS_mgr() const { return ATIS_mgr; }
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inline void set_ATIS_mgr( FGATISMgr *a ) {ATIS_mgr = a; }
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inline FGControls *get_controls() const { return controls; }
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inline void set_controls( FGControls *c ) { controls = c; }
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inline FGViewMgr *get_viewmgr() const { return viewmgr; }
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inline void set_viewmgr( FGViewMgr *vm ) { viewmgr = vm; }
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FGViewer *get_current_view() const;
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inline SGPropertyNode *get_props () { return props; }
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inline void set_props( SGPropertyNode *n ) { props = n; }
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inline FGLocale* get_locale () { return locale; }
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inline SGCommandMgr *get_commands () { return commands; }
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SGGeod get_aircraft_position() const;
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SGVec3d get_aircraft_positon_cart() const;
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void get_aircraft_orientation(double& heading, double& pitch, double& roll);
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inline string_list *get_channel_options_list () {
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return channel_options_list;
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}
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inline void set_channel_options_list( string_list *l ) {
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channel_options_list = l;
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}
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inline string_list *get_initial_waypoints () {
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return initial_waypoints;
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}
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inline void set_initial_waypoints (string_list *list) {
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initial_waypoints = list;
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}
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inline FGScenery * get_scenery () const { return scenery; }
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inline void set_scenery ( FGScenery *s ) { scenery = s; }
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inline FGTileMgr * get_tile_mgr () const { return tile_mgr; }
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inline void set_tile_mgr ( FGTileMgr *t ) { tile_mgr = t; }
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inline FGFontCache *get_fontcache() const { return fontcache; }
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inline FGTACANList *get_channellist() const { return channellist; }
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inline void set_channellist( FGTACANList *c ) { channellist = c; }
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/**
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* Save the current state as the initial state.
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*/
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void saveInitialState ();
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/**
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* Restore the saved initial state, if any.
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*/
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void restoreInitialState ();
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/**
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* Load user settings from autosave.xml
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*/
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void loadUserSettings(const SGPath& datapath);
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/**
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* Save user settings in autosave.xml
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*/
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void saveUserSettings();
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};
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extern FGGlobals *globals;
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#endif // _GLOBALS_HXX
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